581   A serial link error in the 2145 UPS-1U has occurred.

Explanation

There is a fault in the communications cable, the serial interface in the uninterruptible power supply 2145 UPS-1U, or 2145.

User response

Check that the communications cable is correctly plugged into the 2145 and the 2145 UPS-1U. If the cable is plugged in correctly, replace the FRUs in the order shown.

Possible Cause-FRUs or other:

2145-CF8, or 2145-CG8

  • 2145 power cable assembly (40%)
  • 2145 UPS-1U assembly (30%)
  • 2145 system board (30%)